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Moved attribute to proper namespace and made it apply to fields. C# 4 compliant.

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This commit is contained in:
Lumos 2019-12-25 11:57:49 +01:00
parent 7d37c9dfcc
commit cbda73ac22
2 changed files with 25 additions and 14 deletions
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6
Scripts/Attributes/OverrideTooltipAttribute.cs
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@ -1,13 +1,13 @@
using System; using System;
namespace XNodeEditor { namespace XNode {
/// <summary> /// <summary>
/// <para>When applied to the definition of a custom class, allows for the tooltip shown beside the nodes to be overriden.</para> /// <para>When applied to a field marked as node input/output, allows for the tooltip shown beside the nodes to be overriden.</para>
/// Optionally, whether an output node's value is shown in the tooltip can also be turned off. /// Optionally, whether an output node's value is shown in the tooltip can also be turned off.
/// Leaving the tooltip override blank or null will leave the normal tooltip (type name) in place. /// Leaving the tooltip override blank or null will leave the normal tooltip (type name) in place.
/// </summary> /// </summary>
[AttributeUsage(AttributeTargets.Class)] [AttributeUsage(AttributeTargets.Field)]
public sealed class OverrideTooltipAttribute : Attribute { public sealed class OverrideTooltipAttribute : Attribute {
public readonly bool overrideTooltip; public readonly bool overrideTooltip;
public readonly string tooltip; public readonly string tooltip;

33
Scripts/Editor/NodeGraphEditor.cs
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@ -1,8 +1,9 @@
using System; using System;
using System.Collections.Generic;
using System.Linq; using System.Linq;
using System.Reflection;
using UnityEditor; using UnityEditor;
using UnityEngine; using UnityEngine;
using XNode;
namespace XNodeEditor { namespace XNodeEditor {
/// <summary> Base class to derive custom Node Graph editors from. Use this to override how graphs are drawn in the editor. </summary> /// <summary> Base class to derive custom Node Graph editors from. Use this to override how graphs are drawn in the editor. </summary>
@ -121,16 +122,26 @@ namespace XNodeEditor {
/// <summary> Override to display custom tooltips </summary> /// <summary> Override to display custom tooltips </summary>
public virtual string GetPortTooltip(XNode.NodePort port) { public virtual string GetPortTooltip(XNode.NodePort port) {
Type portType = port.ValueType; // Allow tooltips to be overridden or to have their values hidden based on attribute usage
string tooltip = ""; // First, a port managed by a DynamicPortList will have a fieldName of "realName X", so we won't find it directly.
FieldInfo portFieldInfo = null;
// Now allow tooltips to be overridden or to have their values hidden based on attribute usage string[] fieldNameParts = port.fieldName.Split(' ');
var targetType = portType.HasElementType ? portType.GetElementType() : portType; // For arrays and lists. if (port.IsDynamic && fieldNameParts.Length == 2) {
// ReSharper disable once PossibleNullReferenceException portFieldInfo = port.node.GetType().GetField(fieldNameParts[0]);
var attr = ((OverrideTooltipAttribute[])targetType }
.GetCustomAttributes(typeof(OverrideTooltipAttribute), false)).SingleOrDefault(); // If a port isn't dynamic, doesn't match the format, or we didn't find its field, try getting it directly
tooltip = attr?.overrideTooltip ?? false ? attr.tooltip : targetType.PrettyName(); if (portFieldInfo == null) {
var hideValue = attr?.hideValue ?? false; portFieldInfo = port.node.GetType().GetField(port.fieldName);
}
// If the fieldInfo is still null, abort mission; otherwise, look for our attribute.
OverrideTooltipAttribute attr = null;
if (portFieldInfo != null) {
attr = ((OverrideTooltipAttribute[])portFieldInfo
.GetCustomAttributes(typeof(OverrideTooltipAttribute), false)).SingleOrDefault();
}
string tooltip = attr != null && attr.overrideTooltip ? attr.tooltip : port.ValueType.PrettyName();
bool hideValue = attr != null && attr.hideValue;
// ReSharper disable once InvertIf // ReSharper disable once InvertIf
if (!hideValue && port.IsOutput) { if (!hideValue && port.IsOutput) {
var obj = port.node.GetValue(port); var obj = port.node.GetValue(port);